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# Dewey Decimal Classification (DDC)

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## Tracey Carayol

on 21 September 2012

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#### Transcript of Dewey Decimal Classification (DDC)

by Kim Wick & Tracey Wong Dewey Decimal Classification What is Dewey Decimal? It is a way to organize books the same way in different libraries. It uses numbers to code each book differently. It is a hierarchy, or a ladder like system so each book is part of a larger grouping. How do you use Dewey Decimal? Why use Dewey Decimal? It is easy to use and understand. There are three different summaries or guiding lists to use to locate books. Use the 1st Summary to determine a main class or section. First Summary
The Ten Main Classes

000 Computer science, information, general works
100 Philosophy, psychology
200 Religion
300 Social sciences
400 Language
500 Science
600 Technology
700 Arts & recreation
800 Literature
900 History & geography It helps organize books and makes them quick to find. Books that are similiar or the same subject are placed together. Determine what class the book you are looking for would fall in. The Second Summary identifies the hundreds division. The second digit in each three digit number refers to the division. For example, 600 is technology, 610 medicine and health, 620 engineering. The Third Summary identifies the thousand sections. The third digit in each three-digit number indicates the section. For example, 610 is used for general works on medicine and health, 611 for human anatomy, 612 for human physiology, etc.
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